|author||Rich Felker <email@example.com>||2016-06-09 13:42:06 -0400|
|committer||Rich Felker <firstname.lastname@example.org>||2016-06-09 13:42:06 -0400|
avoid padding gaps in struct sockaddr_storage
compilers are free not to copy, or in some cases to clobber, padding bytes in a structure. while it's an aliasing violation, and thus undefined behavior, to copy or manipulate other sockaddr types using sockaddr_storage, it seems likely that traditional code attempts to do so, and the original intent of the sockaddr_storage structure was probably to allow such usage. in the interest of avoiding silent and potentially dangerous breakage, ensure that there are no actual padding bytes in sockaddr_storage by moving and adjusting the size of the __ss_padding member so that it fits exactly. this change also removes a silent assumption that the alignment of long is equal to its size.
Diffstat (limited to 'INSTALL')
0 files changed, 0 insertions, 0 deletions